diff --git a/week6/day4.ipynb b/week6/day4.ipynb
index 304f1d1..301fc27 100644
--- a/week6/day4.ipynb
+++ b/week6/day4.ipynb
@@ -208,7 +208,7 @@
    "source": [
     "# First let's work on a good prompt for a Frontier model\n",
     "# Notice that I'm removing the \" to the nearest dollar\"\n",
-    "# When we train our own models, we'll need to make the problem as easy as possible,\n",
+    "# When we train our own models, we'll need to make the problem as easy as possible, \n",
     "# but a Frontier model needs no such simplification.\n",
     "\n",
     "def messages_for(item):\n",
@@ -277,7 +277,7 @@
     "\n",
     "def gpt_4o_mini(item):\n",
     "    response = openai.chat.completions.create(\n",
-    "        model=\"gpt-4o-mini\",\n",
+    "        model=\"gpt-4o-mini\", \n",
     "        messages=messages_for(item),\n",
     "        seed=42,\n",
     "        max_tokens=5\n",
@@ -315,7 +315,7 @@
    "source": [
     "def gpt_4o_frontier(item):\n",
     "    response = openai.chat.completions.create(\n",
-    "        model=\"gpt-4o-2024-08-06\",\n",
+    "        model=\"gpt-4o-2024-08-06\", \n",
     "        messages=messages_for(item),\n",
     "        seed=42,\n",
     "        max_tokens=5\n",